Apastamba Sulba-sutra [sanskrit]
29,967 words
The Sanskrit edition of the Apastamba Sulba-sutra with the commentaries of Kapardin, Karavinda and Sundararaja. The Sulbasutras are considered Vedic appendices and deals with the ancient Indian science of Mathematics and Geometry, by instructing the construction of fire-altars, among others. Original titles: Āpastambaśulbasūtra (आपस्तम्बशुल्बसूत्र), Kapardin (कपर्दिन्), Karavinda (करविन्द), Sundararāja (सुन्दरराज)
Sutra 3.5
caturaśram ādeśād anyat || ĀpŚus_3.5 ||
ādiśatītyādeśo vidhiḥ / vidheranyaddhavati--yatra vidhīyate tatrānyadapi bhavati tenaiva pramāṇena gārhapatyacityuparavādiṣu
ādiśatītyādeśaḥ--upadeśaḥ / tenānyaccaturaśrāt prāgādiphalatvamavagamyate / athavā ādiśatītyādeśo--gaṇitaśāstram / tato viṣamādīnāṃ phalamavagantavyamiti / uktaṃ ca tatra sarveṣāṃ kṣetrāṇāṃ prasārya pārśvaphalaṃ tadabhyāse iti, asyārthaḥ--sarveṣāṃ viṣamakṣetrāṇāṃ pārśve--pārśvamānītiryaṅbhānyau prasāryasaṃpādya / tadabhyāse--tayoranyānyaguṇakāle phalamavagantavyamiti / trikaṃ dvidhā pracchidyānyataracchedamanyatropadadhyāt / tatra sā dīrghā caturaśrā /
"tathāyuktāṃ saṃcakṣate' vakṣyamāṇena nyāyena phalāvagamaḥ, dīrghacaturaśrasya pārśvamānīpramāṇena tiryaṅbhānīpramāṇamabhyasya phalāvagamaḥ /
vṛttasya pariṇāhārdhena viṣkambhārdhamabhyasya phalāvagamaḥ /
śarārdhapramāṇena dhanurardhamabhyasya dhanuṣaḥ phalāvagama ityādi gaṇitaśāstrādavagantavyamiti /
prakṛtamanusarāmaḥ //